Design of Digital Filter of Cancelling 50HZ Noise
- VernacularTitle:消除50Hz工频干扰数字滤波器的设计
- Author:
Guoquan XING
- Publication Type:Journal Article
- Keywords:
digital filter;
FDATool;
noise cancelling;
bandstop
- From:
Chinese Medical Equipment Journal
2003;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To design a bandstop digital filter for cancelling the 50HZ noise. Methods Procedure and FDATool method were used in processing. Results The filter was tested by a blended sine wave, the experimental result showed that the filter could cancel the 50HZ noise. Conclusion This filter may eliminate a random noise except the 50HZ noise by modifying the procedure simply.